81589275

素因数分解:

$3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1002

約数の個数: 60

約数和(自身を含む): 154811272

約数和(自身を除く): 73221997

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 387, 405, 645, 675, 937, 1075, 1161, 1935, 2025, 2811, 3225, 3483, 4685, 5805, 8433, 9675, 14055, 17415, 23425, 25299, 29025, 40291, 42165, 70275, 75897, 87075, 120873, 126495, 201455, 210825, 362619, 379485, 604365, 632475, 1007275, 1087857, 1813095, 1897425, 3021825, 3263571, 5439285, 9065475, 16317855, 27196425, 81589275]

約数ペア:

[(1, 81589275), (3, 27196425), (5, 16317855), (9, 9065475), (15, 5439285), (25, 3263571), (27, 3021825), (43, 1897425), (45, 1813095), (75, 1087857), (81, 1007275), (129, 632475), (135, 604365), (215, 379485), (225, 362619), (387, 210825), (405, 201455), (645, 126495), (675, 120873), (937, 87075), (1075, 75897), (1161, 70275), (1935, 42165), (2025, 40291), (2811, 29025), (3225, 25299), (3483, 23425), (4685, 17415), (5805, 14055), (8433, 9675)]